class_docstr: Wrapper for evaluating a :mod:`torchvision:torchvision.models` model on
  images.
  
  Args:
      config: an :class:`TorchvisionImageModelConfig`
class_docstr_tok: ["Wrapper","for","evaluating","a",":","mod",":","`","torchvision",":","torchvision.models","`","model","on","images",".","Args",":","config",":","an",":","class",":","`","TorchvisionImageModelConfig","`"]
code: def _download_model(self, config):
      config.download_model_if_necessary()
  
file_path: fiftyone/fiftyone/zoo/models/torch.py
imports: import contextlib
  import inspect
  import logging
  from packaging import version
  import fiftyone
  import fiftyone.core.utils
  import fiftyone.utils.torch
  import fiftyone.zoo.models
  import torchvision
label_desc: Use image node_id 1 for calling the TorchvisionImageModel obj's underlying member method code with example usage: obj._download_model(config) without return types